aodv-Android/packet_queue.h at master · thedevilking/aodv-Android · GitHub

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/*
 * This is a module which is used for queueing IPv4 packets and
 * communicating with userspace via netlink.
 *
 * (C) 2000 James Morris, this code is GPL.
 */
/***************************************************************************
 Modified by Miguel Catalan Cid - miguel.catcid@gmail.com - Version: Mon Jan 1 2010
 ***************************************************************************/
#ifndef _IP_QUEUE_H
#define _IP_QUEUE_H

#include "aodv.h"

#ifdef __KERNEL__
#ifdef DEBUG_IPQ
#define QDEBUG(x...) printk(KERN_DEBUG x)
#else
#define QDEBUG(x...)
#endif  /* DEBUG_IPQ */
#else
#include <net/if.h>
#endif	/* ! __KERNEL__ */

/* Messages sent from kernel */
typedef struct ipq_packet_msg {
    unsigned long packet_id;	/* ID of queued packet */
    unsigned long mark;		/* Netfilter mark value */
    long timestamp_sec;		/* Packet arrival time (seconds) */
    long timestamp_usec;		/* Packet arrvial time (+useconds) */
    unsigned int hook;		/* Netfilter hook we rode in on */
    char indev_name[IFNAMSIZ];	/* Name of incoming interface */
    char outdev_name[IFNAMSIZ];	/* Name of outgoing interface */
    unsigned short hw_protocol;	/* Hardware protocol (network order) */
    unsigned short hw_type;		/* Hardware type */
    unsigned char hw_addrlen;	/* Hardware address length */
    unsigned char hw_addr[8];	/* Hardware address */
    size_t data_len;		/* Length of packet data */
    unsigned char payload[0];	/* Optional packet data */
} ipq_packet_msg_t;

/* Messages sent from userspace */
typedef struct ipq_mode_msg {
    unsigned char value;		/* Requested mode */
    size_t range;			/* Optional range of packet requested */
} ipq_mode_msg_t;

typedef struct ipq_verdict_msg {
    unsigned int value;		/* Verdict to hand to netfilter */
    unsigned long id;		/* Packet ID for this verdict */
    size_t data_len;		/* Length of replacement data */
    unsigned char payload[0];	/* Optional replacement packet */
} ipq_verdict_msg_t;


#define IPQ_COPY_MAX IPQ_COPY_PACKET

void ipq_send_ip(u_int32_t src_ip, u_int32_t dst_ip, unsigned char tos);
void ipq_drop_ip(u_int32_t src_ip, u_int32_t dst_ip, unsigned char tos);
//int ipq_insert_packet(struct sk_buff *skb,struct nf_info *info);
int init_packet_queue(void);
void cleanup_packet_queue(void);
#endif /*_IP_QUEUE_H*/